Or for answers to specific questions call the toll free ada information line at 800 514 0301 voice or 800 514 0383 tty. In addition to having a maximum height of 36 inches all accessible sales and service counters must have a clear floor space in front of the accessible surface that permits a customer using a wheelchair to pull alongside.
When fixed seating or fixed tables are provided accessible seating must be provided if readily achievable.
Ada desk height requirements. At least 27 inches of knee clearance must be provided between the floor and the underside of the table. Ideally any conference table or desk should be at least 27 inches high. This space is at least 30 inches by 48 inches and may be parallel or perpendicular to the counter.
An accessible table has a surface height of no more than 34 inches and no less than 28 inches above the floor. The typical seated height will be 30 inches but if you want a stand up counter it can be no higher than 34 inches. Please note that 34 inches is a little low for most users as your typical kitchen counter is 36 inches high.
Knee room consideration is also important. For more information for information about the ada including the revised 2010 ada regulations please visit the departments website wwwadagov. At least 24 inches of space from the floor to the bottom of the counter is necessary for a person using a wheelchair to work comfortably.
Ada standards for accessible design can be downloaded from wwwada. Counter tops in ada accessible units or workplaces must be installed 28 34 inches high as measured from the floor with the most common height being 32 inches. This allows enough room for those in mobility devices to easily sit at the table without bumping their knees.
Desks and tables choosing the right office furniture can actually help meet ada guidelines and provide a comfortable work environment. The counter height range for an ada work surface is from 28 inches to 34 inches above finished floor.